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In 1833, the British Hudson's Bay Company established the first Fort Nisqually as a fur trading post in the area now known as DuPont, Washington. When the second Fort Nisqually closed in 1870, its last commander, Edward Huggins, homesteaded the old fort site. In 1906, the DuPont Company, founded in 1802 by E.I. DuPont, purchased land from Huggins and other small farmers and constructed a powder works plant to manufacture explosives. In order to house plant workers and their families, the company created a village, named DuPont. At its height, the company employed approximately 400 people at the plant, with 600 living in the village. In 1951, the town incorporated. Due to a waning need for powdered explosives, the DuPont Company closed the plant in 1976 and sold its property to the Weyerhaeuser Company. A period of rapid growth in business development followed, and DuPont now confidently faces the future as a modern city.
In 1833, the British Hudson's Bay Company established the first Fort Nisqually as a fur trading post in the area now known as DuPont, Washington. When the second Fort Nisqually closed in 1870, its last commander, Edward Huggins, homesteaded the old fort site. In 1906, the DuPont Company, founded in 1802 by E.I. DuPont, purchased land from Huggins and other small farmers and constructed a powder works plant to manufacture explosives. In order to house plant workers and their families, the company created a village, named DuPont. At its height, the company employed approximately 400 people at the plant, with 600 living in the village. In 1951, the town incorporated. Due to a waning need for powdered explosives, the DuPont Company closed the plant in 1976 and sold its property to the Weyerhaeuser Company. A period of rapid growth in business development followed, and DuPont now confidently faces the future as a modern city.
Across the United States, thousands of hazardous waste sites are contaminated with chemicals that prevent the underlying groundwater from meeting drinking water standards. These include Superfund sites and other facilities that handle and dispose of hazardous waste, active and inactive dry cleaners, and leaking underground storage tanks; many are at federal facilities such as military installations. While many sites have been closed over the past 30 years through cleanup programs run by the U.S. Department of Defense, the U.S. EPA, and other state and federal agencies, the remaining caseload is much more difficult to address because the nature of the contamination and subsurface conditions make it difficult to achieve drinking water standards in the affected groundwater. Alternatives for Managing the Nation's Complex Contaminated Groundwater Sites estimates that at least 126,000 sites across the U.S. still have contaminated groundwater, and their closure is expected to cost at least $110 billion to $127 billion. About 10 percent of these sites are considered "complex," meaning restoration is unlikely to be achieved in the next 50 to 100 years due to technological limitations. At sites where contaminant concentrations have plateaued at levels above cleanup goals despite active efforts, the report recommends evaluating whether the sites should transition to long-term management, where risks would be monitored and harmful exposures prevented, but at reduced costs.